{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "42238",
    "entityType": "User",
    "nonce": "0x84002bda967301b9841a99a92fc1927928f1cebd11b42b349bbcadb4a0448778",
    "signature": "0x9cf606efee8988c58d697f585ea9ccecc9ab441116a34e96cdef2f90cf8dc9ca116a4634bf0942c5da3d811ab5a4acf53936542db41e13949336f6f8439062201b",
    "signer": "0xC7D69243b2161915036b32017e4FC8ea02d7faF1",
    "userId": "80378"
  }
}