{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x5ed44a1ddf6f58cc1add1cab485dab345344a3c39ecc78d60203b2be1d1c3804",
    "signature": "0x2eba30a484db52e9176f5a2239f7e399cd2f157096510bb8447fa1d807b9a5a571b8952e9992885529551ddd56d698ae34e6757a8e7a0b8ea0ecfbbf0cc9916b1c",
    "signer": "0x8B8094F1ebbB9F40884A6b5d932F7E821D519a9d",
    "userId": "172317106"
  }
}