{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0xcc814225cae33841800c3660cf3d4b3625aba305c5149dd4b9c00db9621a548e",
    "signature": "0x31a6fecd7cf0262b17e6405b48f9efc1019722bd326afc6959ff04aa66fa637c00c23c9234792b15dcafbb57a1579442f04adaf16fa36ab5cfb229d217131c0e1c",
    "signer": "0x6fb79570A836Ea8554ad1D745C12769B22f1e4E3",
    "userId": "283478"
  }
}