{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "446645802",
    "entityType": "User",
    "nonce": "0xbc744fd3a5d1118d3e6a62fd1777de864b87b022fe2bfb7679a7c922efe65cde",
    "signature": "0x54ce6dbfd791cb65c17fc2e10158fd6d36b6d0b3243566631a7fb5940d818a815219113b1132b64b328133e196b83d7aa06a0ce0190f779482dfebe2aaa25ee81b",
    "signer": "0xe8BAaf9d67869BFe993951C60524b67BC331bac9",
    "userId": "75683930"
  }
}