{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "847006780",
    "entityType": "User",
    "nonce": "0x22fe86d5bbe5a8578984001753558ec50028c3d7d94b3efd87acba9dc18219fd",
    "signature": "0x1e63daf2c63ced1d06e5d717be93dbf860423d5cbc5340edb90c3a7969c99c647e8f151cd06869b95b6109383f3e05b7f86c2e8a742f47e3b1a5a23651c1b2881b",
    "signer": "0x3e16afFf69eC32202c1B755Ad919C7aA325B7aBE",
    "userId": "902811065"
  }
}