{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "186120841",
    "entityType": "User",
    "nonce": "0x04802e072e798234e24fcb13f4c264032d0bfd3e1978b3b1b35c876d21d089c2",
    "signature": "0x0118beebbc4581eabbc5c5efdf1bc24941eb4318c72aa43d98e871f4a8de23aa7a1a377db879c074c425fdbad2d79ab6ab9e55ab1789b2e7bf6c1cd48138864c1c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}