{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x68ae842a8bbb076961ee6d68e6bbc397f3a3535be099ce4108d97de3f2043fae",
    "signature": "0x1af5d0e982b6cf47b4fb6d9d082a30478ec92dbb135074e05f04748feb3e137364bdecd7941869dbadfb89b3dc63cd2cf56aafccd68a6b9029bbc219e424fc091b",
    "signer": "0xA1E32E21E41134EF1De914bA5908FcAeFE1e0709",
    "userId": "692620803"
  }
}