{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0xfe96f8cf861ac84a69e27aba9171c4278304e4817d81a5c8e77fe0d1f53fef2d",
    "signature": "0xd059b9ac53172586b5a6659914f1d1e999f66e55e83cff193547b896cc0200993a481a2e2661a29830a083784a04ecc414f83de91278b978afc8389472e5dc461b",
    "signer": "0xFC64B2Ce4fBD6922262C921DeD45174e1bbAc9C2",
    "userId": "251933338"
  }
}