{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "81176",
    "entityType": "User",
    "nonce": "0xba90d07b221bdfcccd6f5c58bbc7db396eb20a589503bc2977a17403faee39e6",
    "signature": "0x42b8580b7318953307e677bcbf452ff7e7f018e66a998a0836817ad681cf813b25dd870b2a6b78a93e2719c447e0e60eb140b2187c3f10a73c8903d211b796051b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}