{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "45081176",
    "entityType": "User",
    "nonce": "0x484bf115739bf34f0a3489bd84ee7bb55948667c223da2eaa8e402a2e56466ad",
    "signature": "0xdb1c0e424dfe4e0403998454e390e74c1a24ee339d4132851881920f739c1d6d4a0815f2e27d002687a62086d546fa9340d1029824ab726ce0cadea65ccfdedd1c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}