{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3799",
    "entityType": "User",
    "nonce": "0x35b284187d8462e17dc74f89c7d39260bbcc4c5cd0981ed3327987dcf33f5bc9",
    "signature": "0x852a46a775ccf87a1397d8cc1ca3a8116e3d32319d4d6866714728339ed3c64e2c56b365503e354695a585ae6c711b153c26a5f0507f234a2db913ee9c7695001b",
    "signer": "0x222534475146193b99B68F2E3830ED2b44307C2D",
    "userId": "991417453"
  }
}