{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "136436",
    "entityType": "User",
    "nonce": "0x5c3160823e0a34286cc7aa3a8bb172a504b14781435bd138a417c87d3d5b0601",
    "signature": "0x183ab4f0121345503eadcadb709254872f311ceaf4acb54dba79b3bcb2ff92596c32c980ae6d6aa477d303738e693bdd7a4a3ec3a0599914483447d0d5a3ad4e1b",
    "signer": "0x4230116F60d3989D218B84425D3D1Dd6C85e1393",
    "userId": "86128800"
  }
}