{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd57477bbc656c4c38bffc517793db07807325a8716b765b1109f065aff2e4554",
    "signature": "0x10ea190e38d95272efc564e0842c82261354ebfc56f0f1322fe679363935005008deb98545662d8519a5185317e8f0f69350a576e1d9402d617835c4a337bd031b",
    "signer": "0x89715A6F0c23C84cE71166083899D25bE26BfBC1",
    "userId": "952196459"
  }
}