{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x7f26e58b2f5c9e873c65c5ffb906af426fd97937e33fdc993e1172a72112f78a",
    "signature": "0x3366565efa9cce45eb2bf106ce312074d56489b09f51d13079512eb61fa6141315daa336a5fb5bc0c1023cc50b1319b9776a6e1155da4da7210c8642c8a098f01b",
    "signer": "0x0e487A5a78653B2c7409C1fA1f74Acd5f343AA5C",
    "userId": "663827704"
  }
}