{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "228911",
    "entityType": "User",
    "nonce": "0x017ec1f8d3ea24777abd85e2cae3f180c24f87c8dd798005a55ca00f9c620241",
    "signature": "0xadde918308fbd00197858a12a50dbd12bf5d861bff80a96b0489f3b817514ff54ae7303d9b7eaca553a6ffa7688200b7ba812772b7730b768cd91bc87abde99a1c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}