{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "138299",
    "entityType": "User",
    "nonce": "0x2a6a55f275899a94d59f99b451a283f3d4d2b7e1b80892529a5d56f3277ea983",
    "signature": "0xdc3692f3d0aa1c261da6892055fb56d42e31603f7b0a846a98db42f7b70e947b34fed601cd3373b52bcb798e86b529e612c1dbaf9fa6befd3c30b1aaf494c2fc1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}