{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "13007",
    "entityType": "User",
    "nonce": "0x197b550abdc760078aa7a7254135624f47933381c0380d8e57377eaf174f44ea",
    "signature": "0x3d46d94a917d03fb12c4533d9497faf3e0bfc704a5ded805c37a0e1bfd6dfcef5835ccfd43c28755aa4897054969df60ca8c9eb125cceb459371d087be6f89f71b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}