{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "53010",
    "entityType": "User",
    "nonce": "0xe3eba58237224562c57d4c180d4406161ef51e8254fdd14c17e3477e476a7c9b",
    "signature": "0x5d6e42903d5e878cccee8701ad69c4338760be85fac68c0b83159bae34b54bac5a287f206c25366510d89bf54725dd028a8f3594885dc8e8216abe7b738ee6411b",
    "signer": "0xc97A6025Ad8c7Ba1a35Ef7E3A3b88ABc8b2013BF",
    "userId": "666092734"
  }
}