{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "670307808",
    "entityType": "User",
    "nonce": "0x0b11cb9da4451717174cea8411a86bb329cd324be8a8a5555fcf08d8df2e7b63",
    "signature": "0xae0aeb4d5a8d38b06459423c05d244d4f81010fca7e68c52ebb33e805f6d9bad32b9f22515297f494eeb12f0766ec8b469ecef50ab53e25709c744d6f8d161e81b",
    "signer": "0x8fb06be829c5718Bb968af1525d910B795617ac0",
    "userId": "950478625"
  }
}