{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "207840672",
    "entityType": "User",
    "nonce": "0x8d8f2ef8df7d5c416e9cdef41f4baa42b6756a2eaccfdd8e95521f1e790c54f1",
    "signature": "0xd54e61392a3647710eae2154464f8091acf96d48a0d46e734aae62380abd7a4d754862e8d9e3d0b942b998e499c7b891f7056fad38be2d5742f4ef88c86ed05d1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}