{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x96f078d2db7180597a5ffca5da21b4c858202c532e5112b6d156bbf0b6d7ea22",
    "signature": "0xad9cba01b4f0eece1696f6b55f3617f3e1a472c8237bf842f436beab80330f4f4eec2f0ad3a70a3b3c09db09cc4fadbae1ca599d5c6841d54331ae098322eeac1b",
    "signer": "0x3A218Da180AFBa06BC9AE0b28E50Cd581dEc5693",
    "userId": "632624994"
  }
}