{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "74667",
    "entityType": "User",
    "nonce": "0xe2e1beaddebb942e37c88a863b1ad19811bf34b66fe51a837a5a83830c8c1337",
    "signature": "0xc91a07dac87486e17ee30103babb6f16991db521e98f83413c773177356204313026a3d97523e05b7529ee5ef605f660f2e3d5ae614ddb4741aa5758696532bc1c",
    "signer": "0x22755B2d72c0de00840F2A791184AFDAeF46deA9",
    "userId": "642307805"
  }
}