{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x04e89951d7ea826a85c0fe43ce0c3d84a24b3aece53ad98cd6b02c752a5631e3",
    "signature": "0x8f0c216c1dca00a189d4be1fbd0cc33a2cd924a6e5dc86618caa323ec105c2ca417295c9e22a9530b6b4c609f214dd901512956306ea7273cc7816da9e0142891b",
    "signer": "0x61759FD9d69b6C29FE84fc39eaB6C50Cf7dCd8FC",
    "userId": "366953361"
  }
}