{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "151460",
    "entityType": "User",
    "nonce": "0xadfa167da9fcf086c9cfb96c7c893cc63a4898f6fb149515ea054350119f61b9",
    "signature": "0x71a06d5304d8c45cda76f5095483f86c8926bb79855031127c9143f825fe9ab95e72e831243fab307f171ee44b7ed2532e70caadbfecee96341c9470863fc6e01b",
    "signer": "0x4ad870a0C318214b4796d1464BC8Dc57C6b84C12",
    "userId": "408505072"
  }
}