{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "53770",
    "entityType": "User",
    "nonce": "0xbbc40fcd360bef28dec43d143251723556e8ef6464776a118ae403244e2226a3",
    "signature": "0x37407f68156492b95f9b32a8d5344222d669ae4c20c00cb9f7fd919ef6aab09b39b91c020c4fe15febd8ef0d0a0929a4f6d055c75ac714f9c5286774fee0baa31c",
    "signer": "0x07cB076DaACCA202F3ffB2dF4A778b16AcEf28Ee",
    "userId": "998685050"
  }
}