{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "261090887",
    "entityType": "User",
    "nonce": "0x5d51760b813db6e7e08fc8e5e7865740f7b327205b721ed0b39a9803f625ccc8",
    "signature": "0xd9c11234725d6fa5098da969a6f6d00c45878a2bbcd2c200cc1b80de0cd3a7380d41c7e6189a92b022442fc69c99c005ba949ab0365bebd6db2c6744eb4037641b",
    "signer": "0x380Ec65A36A1655B8F92293e21aA15581356Fa85",
    "userId": "142361762"
  }
}