{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "53770",
    "entityType": "User",
    "nonce": "0x895606e7c552190cd3ddcb34012f19ae3f9a79ee4e7cfdcf88d6e10af5c60d5b",
    "signature": "0x2f966f9ca9c5714613333802f00c77b271b35eb423e3cc4aa44896e43081be64249d963cfd898642e98c0654c723b9e425ac37fd8541a67b220c98f9784fab7a1b",
    "signer": "0x8fb06be829c5718Bb968af1525d910B795617ac0",
    "userId": "950478625"
  }
}