{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "995293503",
    "entityType": "User",
    "nonce": "0x08ea1eb47fdcb53cb307fd169a796eb0f13ebe4fc03f33343d980bf530fc4a1d",
    "signature": "0xb4c16da6f0daf4c30c0287879ab4670fa0896d12025282beb8d1b33a0bbce5c95e0b713ac429b3a8960fdc6fa41bfe386f022df150ddabcf98a6fde27e1881861c",
    "signer": "0xC7D69243b2161915036b32017e4FC8ea02d7faF1",
    "userId": "80378"
  }
}