{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "15154",
    "entityType": "User",
    "nonce": "0x49fbb2967fc2466d83972ecf562456b85b221fc461db738b84f5c3a2dd9264ea",
    "signature": "0x390b0f767a149e7e0b25cc0ffc331e7fb387feeec127c54fa67e5724921ede17249868f148d371a474da9cf29a461f6fe1c424b1df2c4f58afa36e0c65ab425a1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}