{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "327722",
    "entityType": "User",
    "nonce": "0xad541f47493338936da18149bfe41242e7a6440b9ac1cc5d4b4ef2a20cfd0d65",
    "signature": "0x87005e62532b69bed595b0bc30102b5ffd3539ce1d95e319abaebf1836a9ac2359b58ac868a0dbcbe86c1f6a6ab94481c8d9a54a2e6dfc8c3e8a8258eacb81321c",
    "signer": "0x9765cbE8e26a2c6c4847C1B69ABeB0B5250EC254",
    "userId": "678556080"
  }
}