{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "90136",
    "entityType": "User",
    "nonce": "0x90d4cb1c5fe49163be1b9cb90177400e5041c2baf485f10e20c91261c570cccf",
    "signature": "0x1bc4fecc3821b7d236505a845db1ea78cf9a2490bb1da059d5f4cbbe4f50208d6be1e5a52c572778ae9ff73296853726f699a869787e576ff2b812e5cf4efd001c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}