{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "708077815",
    "entityType": "User",
    "nonce": "0x1e2887f5eb220ba1104a0fbd185ceab0c2c35a07264cfdf5ccb5736897a41687",
    "signature": "0x6c8d3693649f8da717cb20aeb2c94203511792c910c3038ea0104b0983571a7367ddef701dac1417a5185ba625654ff5c02bcc297915105366a8a7b57af4a1361b",
    "signer": "0xe8BAaf9d67869BFe993951C60524b67BC331bac9",
    "userId": "75683930"
  }
}