{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "165075",
    "entityType": "User",
    "nonce": "0x4e21ec2bdf65015873eecca7cee55d60a5c864cd0da0e25f7b3521931b02a11f",
    "signature": "0x920ad4514f94dd7b3e7d9543124b82a988c8f5a7a73841e97342307fc21bfc2c43072717c08cacbcbbc254243ffd1f48d672895270d4cfeda4195979fdc26e6c1c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}